First off, take nothing away from Jeff Hendrick's eighth-minute volley from the edge of the box after Chelsea failed to clear a corner, but it means Kepa was beaten from distance for the third game in a row; hardly an encouraging stat.

Then there was the manner in which Ashley Barnes was able to pull Burnley level on 24 minutes with a simple finish from close range.

Another set-piece cock-up as Azpilicueta and Christensen were caught flat-footed and quite what Emerson was doing when Barnes poked home from three yards is anyone's guess.